Portable door fastener



Feb. 8, 1949.

H. F. SANDS PORTABLE DOOR FASTENER Filed May 12, 1947' INVENTOR. flea/y fa/ids AT o RNEYS Patented Feb. 8, 1949 UNITED STATES PATENT OFFICE PORTABLE DOOR FASTENER Henry F. Sands, Cranston, It. I.

Application May 12, 1947, Serial No. 747,455

6 Claims. 1

This invention relates to a portable door fastener.

It is desirable in many instances to provide a door fastener which will serve to prevent the opening of a door either by serving as a primary lock or by being supplemental to a lock already existing on the door. Devices of this general character are usually complicated or do not exert a pressure upon the door at all times so that rattling 'of the device is avoided. Many of these devices are not susceptible to use on doors of diiierent thicknesses.

One of the objects of this invention is to provide a door fastener which will be readily portable and which may be carried about with the person from place to place as he is traveling.

Another object of this invention is to provide a door fastener which is so arranged that it will fit upon doors of varying thicknesses and thus be adapted for use in a wide variety of locations.

Another object of this invention is to provide a door fastener which is extremely simple in construction and one which may be made with a minimum number of parts and a minimum of assembly operations.

Another object of this invention is to provide a device which may be formed by stampings and assembly operations.

Another object of this invention is to provide a device the adjustment of which and the locking of which all occur in the same motion of a single part.

With these and other objects in view, the invention consists of certain novel features of construction as will be more fully described and particularly pointed out in the appended claims.

In the accompanying drawings:

Fig. 1 is a perspective view of the fastener complete; I

Fig. 2 is a top plan view with the locking member swung to a detached position;

Fig. 3 is a sectional view illustrating the device in locking position and in its assembled relation to a door and door jamb.

In proceeding with this invention, I provide a plate with one end offset or flanged so as to enable it to be inserted into an opening provided for a door latch, or it may be inserted directly into the door jamb in some cases. This plate is provided with a plurality of openings forming abutments at varying spaced distances for the accommodation of doors of varying thicknesses. A carriage is provided which will slide on this plate and which will carry a member pivoted thereon for engagement with any one of the the door and forces it toward closed position.

Thus, the member is such as to take up anygdiiferences in dimension between varying abutting surfaces and hold the door firmly in positionwhen moved to locked location.

With reference to the drawings, more particularly iii designates a plate which is formed of a strip of sheet stock which is flanged at one end as at it which flange may be provided with a plurality of teeth IE to enter the door iamb, or the as a whoic, may enter a recess in the door jamb which is designed for the recc a lat-ch lock. The plate will be c thickness to extend between the door and the door jamb and outward i in be tween these two parts. A series of holes is are provided in the plate which form abutting surfaces ii at varying distances from the door and from the flange ii.

A slide or carriage has a plate it with sides ii folded therefrom and turned inwardly as at Hi to be parallel to the plate It and are then turned outwardly to provide flanges Is in a spaced relation. This slide l5 thus embraces the plate I!) and may be moved longitudinally along the plate over the openings it which are provided therein. A locking member designated generally 26 is pivoted by a pin 2! between the outturned flanges IQ of the slide and is of a thickness to enter between the out-turned flanges l9. This member 2!! comprises a body 22 from which 7 there extends an arm 23 which is provided with a plurality of holes 24. The arm is of an arcuate shape with its center at the axis of the pivot pin 2!, and this arm isof a dimension to pass through any selected opening E3 in the plate so that its concave edge 25 will engage the abutment surface M of the plate which is formed by the.

hole 93. The outer end. or the end distant from the pivot of this member, designated 26 is of a generally cam shape and is of a shape other than a true are from the pivot and serves to engage the door, the arrangement being such that as the member 28 swings about its pivot 2|, the surface 26 will force the door farther away from the pivot. Holes or openings 2'! are provided in the out-turned flanges l9; and, as any of the holes is in the arm register with these holes 21, the arm may be locked in position by a pin 28 which is passed through the registering openings or the pin may pass through one of the openings 24 A flange 33 may be secured to the side of the.

slide nearest the door to engage the door jamb in some cases where desired. 1

In order to illustrate the use of this device, I have shown in section a door 36 and a door jamb 37 in which there is a recess 38 for a latch or the like. positioned along the surface of the door jamb at 39 with its flange l I located in the recess 38. The door is then closed and the slide moved toward the door until the flange 33 engages the door jamb. The locking member 2?) will be retracted or in substantially the position shown in Fig. 2 during the time that the slide is moved to position shown in Fig. 3. The locking member is then swung about its pivot, from the position shown in Fig. 2, so that the arm 23 will pass through one of the openings 13 and engage an abutment surface i. Surfaces 26, during this movement, will engage the outer surface ll) of the door and force it toward the surfaces 4! of the door jamb which it engages. The more the pressure is placed upon the member 29, the tighter the door will be forced against the surface 4|. When the member is substantially in the position shown in Fig. 3, it may be locked in this position by passing the pin 28 through the openings 27 and 24 to prevent retraction of the lockin member. If, however,

When the door is open, the plate is' I claim:

1. A portable door fastener comprising a plate engageable between the door and door jamb, means on the plate to lock the plate against removal from such position when the door is closed, said plate being provided with a plurality of abutment surfaces at spaced intervals, a slide movable along said plate, and a locking member pivoted on said slide and having an arm to engage and slide along a selected one of the abutment surfaces to hold the slide in adjusted position and a cam surface on the member to engage a door to force the door away from said abutment surface as the locking member is swung on its pivot. V

2. A portable door fastener as in claim 1 wherein additional means lock the member in one relative position of swinging about its pivot.

13. A portable door fastener as in claim 1 wherein a plurality of holes are provided in said arm to receive a removable pin.

4. A portable door fastener as in claim 1 wherein a plurality of hoes are provided in said arm and a hole is provided in said slide to register with one of said holes and a pin extends through the registered holes to lock the member in position.

5. A'portabie door fastener as in claim 1 wherein said means is a flange adapted to enter a recess in the door lamb and is formed from the same material as said plate.

6. A portable door fastener as in claim 1 wherein said abutment surfaces are provided by holes in said plate.

HENRY F. SANDS.

REFERENGES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,061,629 Parsons May 13, 15113 1,308,473 Boehringer et a1. -July 1, 1919 1,780,941 Pineo Nov. 11, 1930 1,947,773 Haviland Feb. 20, 1934 

